Articles | Volume 20, issue 13
https://doi.org/10.5194/acp-20-7753-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-20-7753-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
03 Jul 2020
Research article |
| 03 Jul 2020
| 03 Jul 2020
Constraining remote oxidation capacity with ATom observations
Katherine R. Travis
CORRESPONDING AUTHOR
Department of Civil and Environmental Engineering, Massachusetts
Institute of Technology, Cambridge, MA, USA
now at: NASA
Langley Research Center, Hampton, VA, USA
Department of Civil and Environmental Engineering, Massachusetts
Institute of Technology, Cambridge, MA, USA
Department of Earth,
Atmospheric and Planetary Sciences, Massachusetts Institute of Technology,
Cambridge, MA, USA
Hannah M. Allen
Division of Chemistry and Chemical Engineering,
California Institute of Technology, Pasadena, CA, USA
Eric C. Apel
Atmospheric
Chemistry Observations & Modeling Laboratory, National Center for
Atmospheric Research, Boulder, CO, USA
Stephen R. Arnold
Institute for
Climate and Atmospheric Science, School of Earth and Environment, University
of Leeds, Leeds, UK
Donald R. Blake
Department of Chemistry, University of
California Irvine, Irvine, CA, USA
William H. Brune
Department of Meteorology,
Pennsylvania State University, University Park, PA, USA
University
of Minnesota, Department of Soil, Water and Climate, St. Paul, MN, USA
Róisín Commane
Dept. of Earth & Environmental Sciences of Lamont-Doherty Earth
Observatory and Columbia University, Palisades, NY, USA
John D. Crounse
Division of Geological and Planetary Sciences, California
Institute of Technology, Pasadena, CA, USA
Bruce C. Daube
Harvard John A.
Paulson School of Engineering and Applied Sciences, Harvard University,
Cambridge, MA, USA
Glenn S. Diskin
NASA Langley Research Center, Hampton, VA,
USA
James W. Elkins
Global Monitoring Division, NOAA Earth System Research
Laboratory, Boulder, CO, USA
Mathew J. Evans
Wolfson Atmospheric Chemistry
Laboratories (WACL), Department of Chemistry, University of York, York, UK
National Centre for Atmospheric Science (NCAS), University of
York, York, UK
Samuel R. Hall
Atmospheric
Chemistry Observations & Modeling Laboratory, National Center for
Atmospheric Research, Boulder, CO, USA
Eric J. Hintsa
Global Monitoring Division, NOAA Earth System Research
Laboratory, Boulder, CO, USA
Cooperative Institute for Research in
Environmental Science, University of Colorado, CO, USA
Rebecca S. Hornbrook
Atmospheric
Chemistry Observations & Modeling Laboratory, National Center for
Atmospheric Research, Boulder, CO, USA
Prasad S. Kasibhatla
Nicholas
School of the Environment, Duke University, Durham, NC, USA
Michelle J. Kim
Division of Geological and Planetary Sciences, California
Institute of Technology, Pasadena, CA, USA
Division of Engineering and Applied Science, California Institute
of Technology, Pasadena, CA, USA
Atmospheric Sciences Research
Center, University of Albany, Albany, NY, USA
Kathryn McKain
Global Monitoring Division, NOAA Earth System Research
Laboratory, Boulder, CO, USA
Cooperative Institute for Research in
Environmental Science, University of Colorado, CO, USA
Dylan B. Millet
University
of Minnesota, Department of Soil, Water and Climate, St. Paul, MN, USA
Fred L. Moore
Global Monitoring Division, NOAA Earth System Research
Laboratory, Boulder, CO, USA
Cooperative Institute for Research in
Environmental Science, University of Colorado, CO, USA
Jeffrey Peischl
Cooperative Institute for Research in
Environmental Science, University of Colorado, CO, USA
Chemical Sciences
Division, NOAA Earth System Research Laboratory, Boulder, CO, USA
Thomas B. Ryerson
Chemical Sciences
Division, NOAA Earth System Research Laboratory, Boulder, CO, USA
Tomás Sherwen
Wolfson Atmospheric Chemistry
Laboratories (WACL), Department of Chemistry, University of York, York, UK
National Centre for Atmospheric Science (NCAS), University of
York, York, UK
Alexander B. Thames
Department of Meteorology,
Pennsylvania State University, University Park, PA, USA
Kirk Ullmann
Atmospheric
Chemistry Observations & Modeling Laboratory, National Center for
Atmospheric Research, Boulder, CO, USA
Xuan Wang
Harvard John A.
Paulson School of Engineering and Applied Sciences, Harvard University,
Cambridge, MA, USA
School of Energy and Environment, City University of Hong Kong,
Hong Kong, China
Paul O. Wennberg
Division of Chemistry and Chemical Engineering,
California Institute of Technology, Pasadena, CA, USA
Division of Engineering and Applied Science, California Institute
of Technology, Pasadena, CA, USA
Glenn M. Wolfe
Atmospheric Chemistry and Dynamics Laboratory,
NASA Goddard Space Flight Center, Greenbelt, MD, USA
Fangqun Yu
Atmospheric Sciences Research
Center, University of Albany, Albany, NY, USA
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Latest update: 17 Nov 2025
Short summary
Atmospheric models overestimate the rate of removal of trace gases by the hydroxyl radical (OH). This is a concern for studies of the climate and air quality impacts of human activities. Here, we evaluate the performance of a commonly used model of atmospheric chemistry against data from the NASA Atmospheric Tomography Mission (ATom) over the remote oceans where models have received little validation. The model is generally successful, suggesting that biases in OH may be a concern over land.
Atmospheric models overestimate the rate of removal of trace gases by the hydroxyl radical (OH)....
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